Two bottles containing `C_6 H_5 I` and `C_6 H_5 CH_2 I` lost their original labels.They were labelled as A and B for testing A and B were separately taken in test tubes and boiled with Na OH solution. The solution in each tube was made acidic with dilute `HNO_3` and some `AgNO_3` solution was added .Substance B gave a yellow precipitate. Which of the following statements is true for this experiment : Addition of `HNO_3` was unnecessary, A was `C_6 H_5 I`, A was` C_6 H_5 CH_2 I `, B was `C_6 H_5 I`

Options

A. Addition of HNO_3 was unnecessary
B. A was C_6 H_5 I
C. A was C_6 H_9 CH_2 I
D. B was C_6 H_s I

Answer

B